Are you not pregnant after your period?

　   The American "Internet MD" asked two authorities on "the 4 most common problems with menstruation" Gynecology Experts provide comprehensive answers.

　　1. Does everyone have premenstrual syndrome?

　　Plastic surgery at UCLA Hospital Gynecologist Richard? According to Dr. Fred, premenstrual syndrome (PMS) is female Caused by the body being overly sensitive to hormonal changes. 7-10 days before menstruation, progesterone and estrogen in women's bodies will change rapidly, which may cause symptoms such as flatulence, emotional instability, headaches, breast sensitivity, and fatigue. According to surveys, 90% of women will experience some symptoms before menstruation, and the other 10% of women will not feel much. Experts suggest that in order to prevent PMS, women should eat smaller meals more frequently and avoid alcohol and alcohol two weeks before menstruation. coffee Because, and supplement calcium and vitamin D.

　　2． Why are menstrual cycles irregular?

　　Dr. Fried says some women don't ovulate regularly and therefore have irregular periods. In addition, pressure and disease Other factors can also have adverse effects on the menstrual cycle. Mary? Professor of Obstetrics and Gynecology at Emory University School of Medicine? Dr. Dolan said that the concept that "one day of menstruation is considered normal is normal" is wrong. The normal menstrual cycle should be 25-35 days. This cycle is considered normal. Reasons for abnormal menstruation include: being overweight or underweight, eating disorders, and hormonal problems. If menstruation is abnormal for more than half a year, you should seek medical treatment in time.

　　3． Can I get pregnant during my period?

　　Experts say this is possible. Dr. Dolan believes that some women will also bleed during ovulation, which is mistaken for "menstruation". At this time, the chance of pregnancy is greater during intercourse. In addition, if you have intercourse when your period is about to end, you will ovulate two or three days later. sperm It is possible to still be viable and therefore pregnant.

　　4. If you have your period, can you be sure that you are not pregnant?

　　Dr. Dolan believes that the answer is not 100% certain. It could also be "false menstruation" - early pregnancy bleeding, which can be difficult to distinguish. Therefore, experts suggest that if you are accompanied by symptoms such as nausea, vomiting, and fatigue, you should take a pregnancy test or go to the hospital for examination.